[INFO] fetching crate doubled 0.3.2...
[INFO] testing doubled-0.3.2 against beta-2025-09-21 for beta-1.91-3
[INFO] extracting crate doubled 0.3.2 into /workspace/builds/worker-2-tc2/source
[INFO] started tweaking crates.io crate doubled 0.3.2
[INFO] finished tweaking crates.io crate doubled 0.3.2
[INFO] tweaked toml for crates.io crate doubled 0.3.2 written to /workspace/builds/worker-2-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate doubled 0.3.2 on toolchain beta-2025-09-21
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+beta-2025-09-21" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] fc2119bd803ab6970f0780a20b8337f3a51f24ebc11831cbf72a5c4a821b999f
[INFO] running `Command { std: "docker" "start" "-a" "fc2119bd803ab6970f0780a20b8337f3a51f24ebc11831cbf72a5c4a821b999f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "fc2119bd803ab6970f0780a20b8337f3a51f24ebc11831cbf72a5c4a821b999f", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "fc2119bd803ab6970f0780a20b8337f3a51f24ebc11831cbf72a5c4a821b999f", kill_on_drop: false }`
[INFO] [stdout] fc2119bd803ab6970f0780a20b8337f3a51f24ebc11831cbf72a5c4a821b999f
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-2-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=warn" "-e" "RUSTDOCFLAGS=--cap-lints=warn" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:e90291280db7d1fac5b66fc6dad9f9662629e7365a55743daf9bdf73ebc4ea79" "/opt/rustwide/cargo-home/bin/cargo" "+beta-2025-09-21" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 69e75753e5b04c0a0d40b835f07d08731d700bc3ea7efb528332fb1a15106e7a
[INFO] running `Command { std: "docker" "start" "-a" "69e75753e5b04c0a0d40b835f07d08731d700bc3ea7efb528332fb1a15106e7a", kill_on_drop: false }`
[INFO] [stderr]    Compiling doubled v0.3.2 (/opt/rustwide/workdir)
[INFO] [stdout] error[E0554]: `#![feature]` may not be used on the beta release channel
[INFO] [stdout]  --> src/lib.rs:4:31
[INFO] [stdout]   |
[INFO] [stdout] 4 | #![cfg_attr(feature = "simd", feature(portable_simd))]
[INFO] [stdout]   |                               ^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `enable_recsqrt_sp`
[INFO] [stdout]    --> src/f32x.rs:102:11
[INFO] [stdout]     |
[INFO] [stdout] 102 |     #[cfg(feature = "enable_recsqrt_sp")]
[INFO] [stdout]     |           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default` and `simd`
[INFO] [stdout]     = help: consider adding `enable_recsqrt_sp` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] note: the lint level is defined here
[INFO] [stdout]    --> src/lib.rs:1:9
[INFO] [stdout]     |
[INFO] [stdout]   1 | #![deny(warnings)]
[INFO] [stdout]     |         ^^^^^^^^
[INFO] [stdout]     = note: `#[warn(unexpected_cfgs)]` implied by `#[warn(warnings)]`
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] warning: unexpected `cfg` condition value: `enable_recsqrt_sp`
[INFO] [stdout]    --> src/f32x.rs:109:15
[INFO] [stdout]     |
[INFO] [stdout] 109 |     #[cfg(not(feature = "enable_recsqrt_sp"))]
[INFO] [stdout]     |               ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stdout]     |
[INFO] [stdout]     = note: expected values for `feature` are: `default` and `simd`
[INFO] [stdout]     = help: consider adding `enable_recsqrt_sp` as a feature in `Cargo.toml`
[INFO] [stdout]     = note: see <https://doc.rust-lang.org/nightly/rustc/check-cfg/cargo-specifics.html> for more information about checking conditional configuration
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0554`.
[INFO] [stdout] 
[INFO] [stderr] error: could not compile `doubled` (lib) due to 1 previous error; 2 warnings emitted
[INFO] running `Command { std: "docker" "inspect" "69e75753e5b04c0a0d40b835f07d08731d700bc3ea7efb528332fb1a15106e7a", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "69e75753e5b04c0a0d40b835f07d08731d700bc3ea7efb528332fb1a15106e7a", kill_on_drop: false }`
[INFO] [stdout] 69e75753e5b04c0a0d40b835f07d08731d700bc3ea7efb528332fb1a15106e7a
